The Methylation Cycle and Mental Health

Transcription

1 The Methylation Cycle and Mental Health by Phyllis D. Light, MA Depression, anxiety, and other mental illnesses are very challenging for the individual and their family. Natural mental health approaches can help bring the body, mind and spirit back to the present and closer to balance. Whether someone is already taking medication or are considering natural options, being equipped with current information can help make well informed decisions for improved mental health. Methylation Methylation is not one specific reaction that occurs in one location in the body, but many reactions taking place continually in our cells, especially in the liver. A methyl group consists of one carbon atom connected to three hydrogen ones which are passed around a group of molecules in a cycle. So any time this takes place, methylation occurs. This can be written as CH 3. Methylation is important in gene expression and repair and the process can turn on a gene or activate an enzyme. When the methyl group is removed, the reaction stops, which turns off a gene or deactivates an enzyme. Methylation of DNA plays a role in kidney repair and in dysregulation of inflammatory diseases. In its influence on mental health, the methylation cycle is critical to the metabolism of catecholamines in the synapse via an enzyme (COMT) as well as the synthesis of melatonin, carnitine, and CoQ10. Methylation is also required to inactivate histamine. Methylation occurs in the liver when the body takes harmful substances, including phenols, and turns them into a less harmful substances during phase two detoxification. This allows for its safe excretion. Methylation also allows the body to detoxify toxins within the cells, repair damaged DNA, and create new cells. Methionine, which already contains a methyl group, is an amino acid that occurs naturally in all protein foods, especially meats and dairy. Using magnesium, methionine becomes SAMe, which, using ATP (adenosine triphosphate) travels throughout the body delivering a methyl group to any number of reactions. After SAMe delivers the methyl group, it becomes homeocysteine. As an aside, ATP, produced by mitochondria within the cells, is stored energy which can be released as fuel for metabolic processes. Vitamins B6, B12, and folic acid are necessary to reduce homocysteine and keep the methylation process occurring. Homeocysteine is then ready to accept another methyl group which transforms it back into methionine. However, if there are not enough methyl groups to transform the homeocysteine, then levels build in the body. Elevated homeocysteine levels are associated with heart disease,

2 poor circulation, and other degenerative disorders. Pathways of Conversion There are several pathways for the conversion of homeocysteine to methionine. One pathway is folate plus B12. A different pathway is supplied by the choline-based TMG (trimethylglycine aka glycine betaine) and DMG (dimethylglycine) which act similar to B12. Either of these pathways can give a methyl group to homeocysteine for the conversion to methionine. Some people may make better use of one pathway than another. TMG converts to SAMe (s-adenosyl methionine), which then converts the amino acid tyrosine to dopamine, noradrenalin and adrenalin. These brain chemicals are important for balanced mood and blood pressure, motivation, concentration, alertness and stress management. SAMe also converts tryptophan amino acid to serotonin and melatonin brain chemicals, which are important for balanced mood and sleep. SAMe helps support healthy joints, and muscle and liver function. Another pathway for converting homeocysteine is with B6 and magnesium. This pathway converts homeocysteine to cysteine. Other conversions happen in this pathway including making glutathione and taurine. One step is adding molybdenum and continuing on to convert toxic sulfite molecules to really helpful sulfate molecules. The methylation process is inhibited by oxidative stress when converting homocysteine to important antioxidants such as glutathione and the sulphur containing amino acids such as taurine and sulphate which are also key in supporting phase II detoxification in the liver. Other supplements which support the methylation cycle are calcium, zinc, selenium, methionine and folic acid. Factors Affecting Methylation According to research by Carl Pfeiffer, MD, PhD, 45% of the population are under-methylators and 15% are over-methylators, (which together totals 60%) and 40% of people are neither. The formation of methyl groups initiates serotonin, and thus melatonin, production. Therefore, if you are a under-methylator, you can increase your methylation and have more appropriate levels of serotonin and melatonin. The dissolution of methyl groups in an over-methylator can decrease methylation which can decrease aggression or hyperactivity. The process of methylation is influenced by: Genetic factors Psychological/emotional/physical stress Smoking, alcoholism and other environmental toxins Diet and nutrition (including supplements), especially B-vitamin and methionine intake Elevated levels of homocysteine suggests a blockage in methylation. Homocysteine has been investigated as a separate risk factor for coronary heart disease. It has been postulated as a

3 putative factor in endothelial dysfunction and arteriosclerosis. Undermethylation According to research by Carl Pfeiffer, undermethylation or high histamine is the dominant chemical imbalance in about 20% of people with psychosis. However, only about 20% of those diagnosed with undermethylation will respond to nutritional therapies designed to remedy the imbalance. Most undermethylated persons in the general population tend to be high-achievers in good mental health. Laboratory indications include whole-blood histamine above 70 mg/ml and folate overload, creating a low methyl to folate ratio. This can result in lower levels of dopamine, norepinephrine, and serotonin. These types can benefit from supplemental methionine, SAMe, and inositol (methyl donor). The following issues are associated with undermethylation: depression, compulsions (like OCD), addictions (gambling/shopping/sex/alcohol, etc.), eating disorders (anorexia/bulimia), and phobias. According to Pfeiffer, these folks react badly to folate, even dietary folate in fresh vegetables could worsen their depression. They responded well to methionine and calcium supplements. The following is a list of characteristics and factors associated with undermethylation. The presence of 30-50% of the factors may be sufficient for diagnosis. delusions (thought disorder) self-motivated during school years very high libido higher metabolic rate high fluidity (tears, saliva, etc.) high accomplishment before onset of serious symptoms adverse reaction to B-complex vitamins sparse chest/leg/arm hair suicidal tendencies addictiveness phobias infrequent and terse speech peptic ulcers denial of illness non-compliance with therapies belief that CIA or FBI is after them attempt to hide the illness 5-10% incidence of hearing voices Tourette s Syndrome symptoms rumination about past events obsessive/compulsive tendencies history of perfectionism low-normal serum copper seasonal inhalant allergies

4 low tolerance for pain catatonic behavior during illness onset very strong willed slenderness history of competitiveness in sports large nose and ears ritualistic behaviors calm demeanor, but high inner tension frequent headaches family history of high accomplishment blankminded appearance poor concentration endurance social isolation belief that a friend or relative is an alien gravitation toward vegetarian diets high preponderance of male relatives dietary inflexibility blood histamine above 70 ng/ml absolute basophils above 50>M diagnosis of delusional disorder good response to antihistamines good response to SSRI s diagnosis of schizoaffective disorder adverse reaction to benzodiazepines prior diagnosis of OCD or ODD Overmethylation Overmethylation or low histamine is the dominant chemical imbalance for about 45% of persons diagnosed with schizophrenia. This imbalance is associated with extreme deficiencies of folate and Vitamin B-12, and usually coincides with elevated serum copper. Laboratory indications include whole-blood levels below 40 mg/ml, and depressed absolute basophils. These folks tend to suffer from paranoid schizophrenia, bipolar disorder, psychosis, anxiety/panic attacks, hallucinations, hyperactivity, and depression. Pfeiffer found that these people often benefitted from large doses of folic acid, B12, B3, B6, zinc, and manganese. The following is a list of characteristics and factors associated with overmethylation. The presence of 30-50% of the factors may be sufficient for diagnosis. auditory hallucinations high anxiety or panic tendency hyperactivity low libido religiosity tendency to be overweight

5 nervous legs, pacing dry eyes and mouth belief that everyone thinks ill of them low motivation during school years high pain threshold paranoia depression sleep disorder history of eczema absence of seasonal allergies frenetic activity during illness onset tinnitus upper body/neck/head pain hirsutism food/chemical sensitivities artistic or musical ability copper overload adverse reaction to estrogen therapy adverse reaction to anti-histamines adverse reaction to SAMe improvement after lithium self mutilation obsessions without compulsions post-partum onset of psychosis adverse reaction to SSRI s adverse reaction to methionine improvement after benzodiazepines diagnosis of paranoid schizophrenia low blood histamine low absolute basophils Pyroluria Pyroluria could overlap with either under-or-over-methylation or exist on its own. It is associated with anxiety, depression, food sensitivities/celiac disease, social withdrawal, learning disabilities/adhd, schizophrenia and autism. Very severe cases result in mental retardation and delayed growth and puberty. In some cases psychological symptoms could be alleviated within just a few days with supplemental B6 and zinc. During the synthesis of hemoglobin in the body, kryptopyrroles are generated as waste products. Kryptopyrroles, however, don t serve any useful biological purpose and are normally excreted. If someone with pyroluria is low in either zinc, B6 or both, they won t secrete kryptopyrroles which then tend to build up in the blood, more so under stress. Heavy metal toxicity can also cause elevated kryptopyrroles.

6 Kryptopyrroles have a tendency to bind with zinc and vitamin B6, when then reduces their availability to the rest of the body. Zinc and B6, of course, are nutrients critical for the functioning of your entire body and mind including your digestion, immune system, cognitive functioning and emotions. Over time, zinc and B6 deficiencies have serious effects on the function of the body. Often supplementation with manganese, vitamins C and E may be necessary. Pyrolurics also have a greater than normal need for omega-6 fatty acids, particularly dietary arachidonic acid (AA), which is found in eggs, butter, red meat and liver) and the essential fatty acid GLA (gamma linolenic acid), found in black currant seed oil and evening primrose oil. Once determined, supplementation, along with stress management, can improve symptoms but should be continued over time. Omega 3s can worsen symptoms of pyrolurics since both omega 3 and 6 compete for certain receptors. Additional considerations for the pyroluric include the need for improving digestion and hydrochloric acid status and the avoidance of phytate-containing foods such as grains, legumes and soy. If positive for pyroluria one must also avoid excess fish oil, copper, and red and yellow food dyes. The characteristics and factors associated with pyroluria are: severe inner tension ongoing anxiety or anxiousness episodes of irritability or anger poor stress tolerance (with added stress of any kind making the symptoms worse) digestive issues and difficulty digesting protein frequent colds and infections joint pain or stiffness acne eczema or psoriasis mood swings and reactivity poor short term memory tendency towards being a loner little or no dream recall white spots on finger nails poor morning appetite with tendency to skip breakfast morning nausea pale skin which burns easily in sun with poor tanning sensitivity to bright light hypersensitive to loud noises reading difficulties (e.g. dyslexia) poor ability to cope with stress mood swings or temper outbursts easily upset by criticism histrionic (dramatic) tendency augmentative/enjoy argument

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